FSAE Tutorial v1.1 - Modeling a Formula SAE Racecar in...

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Modeling a Formula SAE Racecar in ADAMS/Car Valid for R3 and 2010 Versions Part 1: Suspension Joseph Little Mississippi State University
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Table of Contents 1. Intro 3 A. ADAMS and ADAMS/Car B. Getting Up and Running C. This tutorial 2. Running an Analysis 4 3. Viewing Results 6 4. Model Construction 9 5. Conclusion 17
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Introduction A. ADAMS and ADAMS/Car ADAMS stands for Automatic Dynamics Analysis of Mechanical Systems. The heart of ADAMS is ADAMS/Solver, a program that solves high order differential equations of motion. Other programs in the ADAMS product line allow you to create a mathematic model your dynamics system through a graphical interface. The process is analogous to FEA, where in FEA, material is defined boundary, conditions are specified, and then stress/strain plots are typically output. In ADAMS, multiple bodies are defined and constrained, initial conditions (such as initial velocities or forces) are specified, the graphical and numerical data are output describing the motion of the bodies in the system. ADAMS/Car is an interface for ADAMS/Solver designed specifically for Automotive Engineering. It makes use of predefined templates to streamline the process modeling a vehicle. B. Getting Started MSC offers a University Bundle of software to several academic organizations, one of which is Formula SAE. If your school does not already have access, visit the following address and follow the instructions to get the ball rolling. http://www.mscsoftware.com/Contents/Academia/Learn/Competition.aspx On this page, click Contact Us and use the MSC University Program link to send an email; a reply will be sent letting you know what you will need to do. Included in the bundle is ADAMS/View, which is the most general interface for ADAMS/Solver. I highly recommend doing the tutorial for this program and becoming familiar with this program to get a feel for how thing work in ADAMS. It is easy to get into ADAMS/Car and not understand the mechanics that are making everything work. The tutorials for any ADAMS product can be found by going to Help >> Getting Started tutorial. Doing the ADAMS/View tutorials and then the ADAMS/Car tutorials will provide a good foundation for beginning this tutorial. ADAMS/Car by default arrives with several templates, but one more specific to FSAE (along with an instructional PDF on how to get it loaded into ADAMS) can be found at http://support.mscsoftware.com/kb/results_kb.cfm?S_ID=1-80028801 This is one of many helpful articles that can be found in the MSC Knowledgebase. To access the Knowledge Base an account/log-in is required. There is a link to do this near the log in area. Loading this database is a perquisite for beginning this tutorial. Also, with this log-in, you can access the MSC user forums, which are a great source of help with issues running simulations. Make sure to read the forum rules.
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